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xapi-videojs.js
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// xAPI Statements Based on VideoJS Player Interactions
(function (ADL) {
var XAPIVideoJS = function (target, src, options) {
var actor = JSON.parse(ADL.XAPIWrapper.lrs.actor);
/* Toggle registration to test for different scenarios below. Use the static UUID for testing resuming of a paused video attempt. */
var registration = ADL.ruuid();
//var registration = "c802d173-b9c4-5fa7-b4dc-1db1e75bdf26";
// Global Variables & common functions
var myPlayer = videojs(target);
var objectID = myPlayer.currentSrc().toString();
var sessionID = ADL.ruuid();
var skipPlayEvent = false;
var sendCCSubtitle = false;
var volumeSliderActive = false;
var played_segments = "";
var played_segments_segment_start = null;
var played_segments_segment_end = null;
var started = false;
// Get all text tracks for the current player to determine if there are any CC-Subtitles
var tracks = myPlayer.textTracks();
// common math functions
function formatFloat(number) {
if (number == null)
return null;
return +(parseFloat(number).toFixed(3));
}
// other functions
function start_played_segment(start_time) {
played_segments_segment_start = start_time;
}
function end_played_segment(end_time) {
var arr;
arr = (played_segments == "") ? [] : played_segments.split("[,]");
arr.push(played_segments_segment_start + "[.]" + end_time);
played_segments = arr.join("[,]");
played_segments_segment_end = end_time;
played_segments_segment_start = null;
}
function fixed_play_time(time) {
if (played_segments_segment_end == null || Math.abs(played_segments_segment_end - time) >= 1)
return time;
else
return played_segments_segment_end;
}
function get_progress() {
var arr, arr2;
//get played segments array
arr = (played_segments == "") ? [] : played_segments.split("[,]");
if (played_segments_segment_start != null) {
arr.push(played_segments_segment_start + "[.]" + formatFloat(myPlayer.currentTime()));
}
arr2 = [];
arr.forEach(function (v, i) {
arr2[i] = v.split("[.]");
arr2[i][0] *= 1;
arr2[i][1] *= 1;
});
//sort the array
arr2.sort(function (a, b) {
return a[0] - b[0];
});
//normalize the segments
arr2.forEach(function (v, i) {
if (i > 0) {
if (arr2[i][0] < arr2[i - 1][1]) { //overlapping segments: this segment's starting point is less than last segment's end point.
//console.log(arr2[i][0] + " < " + arr2[i-1][1] + " : " + arr2[i][0] +" = " +arr2[i-1][1] );
arr2[i][0] = arr2[i - 1][1];
if (arr2[i][0] > arr2[i][1])
arr2[i][1] = arr2[i][0];
}
}
});
//calculate progress_length
var progress_length = 0;
arr2.forEach(function (v, i) {
if (v[1] > v[0])
progress_length += v[1] - v[0];
});
var progress = 1 * (progress_length / myPlayer.duration()).toFixed(2);
return progress;
}
var terminate_player = false;
function video_start() {
started = true;
var myparams = [];
myparams['agent'] = JSON.stringify(actor);
myparams['activity'] = objectID;
myparams['verb'] = 'https://w3id.org/xapi/video/verbs/paused';
myparams['limit'] = 1;
if (typeof ADL.XAPIWrapper.lrs.registration == "string" && ADL.XAPIWrapper.lrs.registration.length == 36) {
console.log('yes there is a registration in xAPIWrapper');
myparams['registration'] = registration;
} else {
console.log('use global var UUID for registration');
myparams['registration'] = registration;
}
console.log('registration is:' + registration);
ret = ADL.XAPIWrapper.getStatements(myparams);
if (ret != undefined &&
ret.statements != undefined &&
ret.statements[0] != undefined &&
ret.statements[0]['result'] != undefined &&
ret.statements[0]['result']['extensions'] != undefined &&
ret.statements[0]['result']['extensions']['https://w3id.org/xapi/video/extensions/played-segments'] != undefined
) {
console.log(played_segments);
played_segments = ret.statements[0]['result']['extensions']['https://w3id.org/xapi/video/extensions/played-segments'];
console.log(played_segments);
}
if (ret != undefined &&
ret.statements != undefined &&
ret.statements[0] != undefined &&
ret.statements[0]['result'] != undefined &&
ret.statements[0]['result']['extensions'] != undefined &&
ret.statements[0]['result']['extensions']['https://w3id.org/xapi/video/extensions/time'] != undefined
) {
var time = 1 * ret.statements[0]['result']['extensions']['https://w3id.org/xapi/video/extensions/time'];
if (time > 0)
myPlayer.currentTime(time);
console.log(time);
}
if (ret != undefined &&
ret.statements != undefined &&
ret.statements[0] != undefined &&
ret.statements[0]['result'] != undefined &&
ret.statements[0]['result']['extensions'] != undefined &&
ret.statements[0]['result']['extensions']['https://w3id.org/xapi/video/extensions/progress'] != undefined
) {
var progress = 1 * ret.statements[0]['result']['extensions']['https://w3id.org/xapi/video/extensions/progress'];
if (progress == 1)
// sent_completed = true;
console.log(progress);
}
send_initialized();
window.addEventListener("beforeunload", function (e) {
terminate_player = true;
if (myPlayer.paused())
TerminateMyPlayer();
else
myPlayer.pause();
});
}
/***************************************************************************************/
/***** VIDEO.JS Player xAPI Initialized Statement ********************/
/*************************************************************************************/
function send_initialized() {
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// check to see if the player is in fullscreen mode
var fullScreenOrNot = myPlayer.isFullscreen();
// get the current screen size
var screenSize = "";
screenSize += screen.width + "x" + screen.height;
// get the playback size of the video
var playbackSize = "";
playbackSize += myPlayer.currentWidth() + "x" + myPlayer.currentHeight();
// get the playback rate of the video
var playbackRate = myPlayer.playbackRate();
//Enable Captions/Subtitles
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
// If it is showing then CC is enabled and determine the language
if (track.mode === 'showing') {
var ccEnabled = true;
var ccLanguage = track.language;
}
}
// get user agent header string
var userAgent = navigator.userAgent.toString();
// get user volume
var volume = formatFloat(myPlayer.volume());
// get quality
// var quality = (myPlayer.videoHeight() < myPlayer.videoWidth())? myPlayer.videoHeight():videoWidth();/
// console.log("quality is:" + quality);
// prepare the xAPI initialized statement
var initializedStmt = {
"id": sessionID,
"actor": actor,
"verb": {
"id": "http://adlnet.gov/expapi/verbs/initialized",
"display": {
"en-US": "initialized"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/full-screen": fullScreenOrNot,
"https://w3id.org/xapi/video/extensions/screen-size": screenSize,
"https://w3id.org/xapi/video/extensions/video-playback-size": playbackSize,
"https://w3id.org/xapi/video/extensions/cc-enabled": ccEnabled,
"https://w3id.org/xapi/video/extensions/cc-subtitle-lang": ccLanguage,
"https://w3id.org/xapi/video/extensions/speed": playbackRate + "x",
"https://w3id.org/xapi/video/extensions/user-agent": userAgent,
"https://w3id.org/xapi/video/extensions/volume": volume,
"https://w3id.org/xapi/video/extensions/session-id": sessionID
}
},
"timestamp": timeStamp
};
//send initialized statement to the LRS & show data in console
console.log("initialized statement sent");
ADL.XAPIWrapper.sendStatement(initializedStmt, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(initializedStmt);
}
/***************************************************************************************/
/***** VIDEO.JS CC-Subtitle Track Change Event | xAPI Interacted Statement **********************************/
/*************************************************************************************/
tracks.addEventListener("change", function (e) {
sendCCSubtitle = true; //Set Flag to sendCCSubtitle change statement.
setTimeout(function () { //Add a delay of 20 milliseconds so intermediate change events generated by VideoJS are not sent
if (sendCCSubtitle) {
console.log("sendCCSubtitle: " + sendCCSubtitle);
sendCCSubtitle = false;
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// get the current time position in the video
var resultExtTime = formatFloat(myPlayer.currentTime());
//Captions/Subtitles values
for (var i = 0; i < tracks.length; i++) {
var track = tracks[i];
// If it is showing then CC is enabled and determine the language
if (track.mode === 'showing') {
var ccEnabled = true;
var ccLanguage = track.language;
}
}
// prepare the xAPI interacted statement
var interactedStatement = {
"actor": actor,
"verb": {
"id": "http://adlnet.gov/expapi/verbs/interacted",
"display": {
"en-US": "interacted"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"extensions": {
"https://w3id.org/xapi/video/extensions/time": resultExtTime
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID,
"https://w3id.org/xapi/video/extensions/cc-enabled": ccEnabled,
"https://w3id.org/xapi/video/extensions/cc-subtitle-lang": ccLanguage,
}
},
"timestamp": timeStamp
};
//send CC-Subtitle change statement to the LRS
console.log("interacted statement (CC-Subtitle change) sent");
ADL.XAPIWrapper.sendStatement(interactedStatement, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(interactedStatement);
}
}, 20);
});
/***************************************************************************************/
/***** VIDEO.JS Played Event | xAPI Played Statement **********************************/
/*************************************************************************************/
myPlayer.on("play", function () {
// myPlayer.currentTime(20);
if (started == false) {
video_start();
}
// If user is seaking, skip the play event
if (skipPlayEvent !== true) {
seekStart = null; //reset seek if not reset
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// get the current time position in the video
var resultExtTime = fixed_play_time(formatFloat(myPlayer.currentTime()));
start_played_segment(resultExtTime);
var playedStmt = {
"actor": actor,
"verb": {
"id": "https://w3id.org/xapi/video/verbs/played",
"display": {
"en-US": "played"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"extensions": {
"https://w3id.org/xapi/video/extensions/time": resultExtTime,
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID
}
},
"timestamp": timeStamp
};
//send played statement to the LRS
console.log("played statement sent");
ADL.XAPIWrapper.sendStatement(playedStmt, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(playedStmt);
} else {
// Seek statement has been sent, resume play events
skipPlayEvent = false;
send_seeked();
}
});
/***************************************************************************************/
/***** VIDEO.JS Paused Event | xAPI Paused Statement **********************************/
/*************************************************************************************/
myPlayer.on("pause", function () {
// If the user is seeking, do not send the pause event
if (this.seeking() === false) {
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// get the current time position in the video
var resultExtTime = formatFloat(myPlayer.currentTime());
end_played_segment(resultExtTime);
// get the progress percentage and put it in a variable called progress
var progress = get_progress();
console.log("video progress percentage:" + progress + ".");
if (progress >= 1) {
send_completed();
} else {
var pausedStmt = {
"actor": actor,
"verb": {
"id": "https://w3id.org/xapi/video/verbs/paused",
"display": {
"en-US": "paused"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"extensions": {
"https://w3id.org/xapi/video/extensions/time": resultExtTime,
"https://w3id.org/xapi/video/extensions/progress": progress,
"https://w3id.org/xapi/video/extensions/played-segments": played_segments
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID
}
},
"timestamp": timeStamp
};
//send paused statement to the LRS
console.log("paused statement sent");
ADL.XAPIWrapper.sendStatement(pausedStmt, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(pausedStmt);
}
if (terminate_player)
terminateModal();
} else {
//skip subsequent play Event
skipPlayEvent = true;
}
});
/***************************************************************************************/
/***** VIDEO.JS Video Completion | xAPI Completed Statement **********************************/
/*************************************************************************************/
var next_completion_check = 0;
// var sent_completed = false;
function check_completion() {
/*
if(sent_completed)
{
console.log("completed statement already sent");
return;
}
*/
var currentTimestamp = (new Date()).getTime();
if (currentTimestamp < next_completion_check) {
//console.log(new Date(next_completion_check) + " in " + (next_completion_check - currentTimestamp)/1000 + " seconds");
return;
}
var length = myPlayer.duration();
//console.log("length: " + length);
if (length <= 0)
return;
var progress = get_progress();
var remaining_seconds = (1 - progress) * length;
//console.log("remaining_seconds: " + remaining_seconds);
next_completion_check = currentTimestamp + remaining_seconds.toFixed(3) * 1000;
console.log("Progress: " + progress + " currentTimestamp: " + currentTimestamp + " next completion check in " + (next_completion_check - currentTimestamp) / 1000 + " seconds");
}
function send_completed() {
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// get the progress percentage and put it in a variable called progress
var progress = get_progress();
console.log("video progress percentage:" + progress + ".");
var completedStmt = {
"actor": actor,
"verb": {
"id": "http://adlnet.gov/expapi/verbs/completed",
"display": {
"en-US": "completed"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"completion": true,
"extensions": {
"https://w3id.org/xapi/video/extensions/time": currentTime,
"https://w3id.org/xapi/video/extensions/progress": progress
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID
}
},
"timestamp": timeStamp
};
//send completed statement to the LRS
console.log("completed statement sent");
ADL.XAPIWrapper.sendStatement(completedStmt, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(completedStmt);
// create a modal window for the user to terminate the session and dispose of the player
terminateModal();
}
/***************************************************************************************/
/***** VIDEO.JS Seekable Event | xAPI Seeked Statement *******************************/
/*************************************************************************************/
// get seekable start & end points
var previousTime = 0;
var currentTime = 0;
var seekStart = null;
myPlayer.on("timeupdate", function () {
previousTime = currentTime;
currentTime = formatFloat(myPlayer.currentTime());
check_completion();
check_volumechange();
});
myPlayer.on("seeking", function () {
if (seekStart === null) {
seekStart = previousTime;
console.log('seek start: ' + seekStart);
}
});
function send_seeked() {
if (Math.abs(seekStart - currentTime) < 1) //Ignore seeking if seeked for less than 1 second gap in video
{
seekStart = null; //reset seek
return;
}
console.log("seeked:" + seekStart + "[.]" + currentTime);
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// change the played segment in the video
end_played_segment(seekStart);
start_played_segment(currentTime);
var seekedStmt = {
"actor": actor,
"verb": {
"id": "https://w3id.org/xapi/video/verbs/seeked",
"display": {
"en-US": "seeked"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"extensions": {
"https://w3id.org/xapi/video/extensions/time-from": seekStart,
"https://w3id.org/xapi/video/extensions/time-to": currentTime
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID
}
},
"timestamp": timeStamp
};
seekStart = null; //reset seek
//send seeked statement to the LRS
console.log("seeked statement sent");
ADL.XAPIWrapper.sendStatement(seekedStmt, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(seekedStmt);
}
/***************************************************************************************/
/***** VIDEO.JS Modal Close Event | xAPI Terminated Statement ************************/
/*************************************************************************************/
function terminateModal() {
var modal = myPlayer.createModal('The video has ended. Click the close button to save your progress and exit.');
modal.on('modalclose', function () {
TerminateMyPlayer();
window.close();
});
}
function TerminateMyPlayer() {
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// get the progress percentage and put it in a variable called progress
var progress = get_progress();
console.log("video progress percentage:" + progress + ".");
var terminatedStmt = {
"actor": actor,
"verb": {
"id": "http://adlnet.gov/expapi/verbs/terminated",
"display": {
"en-US": "terminated"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"extensions": {
"https://w3id.org/xapi/video/extensions/time": currentTime,
"https://w3id.org/xapi/video/extensions/progress": progress
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID
}
},
"timestamp": timeStamp
};
//send completed statement to the LRS
console.log("terminated statement sent");
ADL.XAPIWrapper.sendStatement(terminatedStmt, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(terminatedStmt);
myPlayer.dispose();
};
/***************************************************************************************/
/***** VIDEO.JS VolumeChange Event | xAPI Interacted Statement ************************/
/*************************************************************************************/
var volume_changed_on = null,
volume_changed_at = 0;
myPlayer.on("volumechange", function () {
var currentTimestamp = (new Date()).getTime();
volume_changed_on = currentTimestamp;
volume_changed_at = currentTime;
});
function check_volumechange() {
var currentTimestamp = (new Date()).getTime();
if (volume_changed_on != null && currentTimestamp > volume_changed_on + 2000) {
send_volumechange(volume_changed_on, volume_changed_at);
volume_changed_on = null;
}
}
function send_volumechange(volume_changed_on, volume_changed_at) {
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date(volume_changed_on);
var timeStamp = dateTime.toISOString();
// get user volume and return it as a percentage
var isMuted = myPlayer.muted();
if (isMuted === true) {
var volumeChange = 0;
}
if (isMuted === false) {
var volumeChange = formatFloat(myPlayer.volume());
}
console.log("volume set to: " + volumeChange);
var volChangeStmt = {
"actor": actor,
"verb": {
"id": "http://adlnet.gov/expapi/verbs/interacted",
"display": {
"en-US": "interacted"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"extensions": {
"https://w3id.org/xapi/video/extensions/time": volume_changed_at
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID,
"https://w3id.org/xapi/video/extensions/volume": volumeChange
}
},
"timestamp": timeStamp
};
//send volume change statement to the LRS
console.log("interacted statement (volume change) sent");
ADL.XAPIWrapper.sendStatement(volChangeStmt, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(volChangeStmt);
}
/***************************************************************************************/
/***** VIDEO.JS Fullscreen Event | xAPI Interacted Statement **************************/
/*************************************************************************************/
myPlayer.on("fullscreenchange", function () {
// check to see if the player is in fullscreen mode
var fullScreenOrNot = myPlayer.isFullscreen();
// console.log("full screen:" + fullScreenOrNot);
// if full screen true, then send an interacted statement
if (fullScreenOrNot === true) {
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// get the current time position in the video
var resultExtTime = formatFloat(myPlayer.currentTime());
// get the current screen size
var screenSize = "";
screenSize += screen.width + "x" + screen.height;
// get the playback size of the video
var playbackSize = "";
playbackSize += myPlayer.currentWidth() + "x" + myPlayer.currentHeight();
//alert ("Playback Size:" + playbackSize);
var fullScreenTrueStmt = {
"actor": actor,
"verb": {
"id": "http://adlnet.gov/expapi/verbs/interacted",
"display": {
"en-US": "interacted"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"extensions": {
"https://w3id.org/xapi/video/extensions/time": resultExtTime
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID,
"https://w3id.org/xapi/video/extensions/full-screen": fullScreenOrNot,
"https://w3id.org/xapi/video/extensions/screen-size": screenSize,
"https://w3id.org/xapi/video/extensions/video-playback-size": playbackSize
}
},
"timestamp": timeStamp
};
//send full screen statement to the LRS
console.log("interacted statement (fullScreen true) sent");
ADL.XAPIWrapper.sendStatement(fullScreenTrueStmt, function (resp, obj) {
console.log("Response from LRS: " + resp.status + " - " + resp.statusText);
});
console.log(fullScreenTrueStmt);
}
// if fullScreen is false then send a different interacted statement
if (fullScreenOrNot === false) {
// get the current date and time and throw it into a variable for xAPI timestamp
var dateTime = new Date();
var timeStamp = dateTime.toISOString();
// get the current time position in the video
var resultExtTime = formatFloat(myPlayer.currentTime());
// get the current screen size
var screenSize = "";
screenSize += screen.width + "x" + screen.height;
// get the playback size of the video
var playbackSize = "";
playbackSize += myPlayer.currentWidth() + "x" + myPlayer.currentHeight();
//alert ("Playback Size:" + playbackSize);
var fullScreenFalseStmt = {
"actor": actor,
"verb": {
"id": "http://adlnet.gov/expapi/verbs/interacted",
"display": {
"en-US": "interacted"
}
},
"object": {
"id": objectID,
"definition": {
"name": {
"en-US": activityTitle
},
"description": {
"en-US": activityDesc
},
"type": "https://w3id.org/xapi/video/activity-type/video"
},
"objectType": "Activity"
},
"result": {
"extensions": {
"https://w3id.org/xapi/video/extensions/time": resultExtTime
}
},
"context": {
"registration": registration,
"contextActivities": {
"category": [{
"id": "https://w3id.org/xapi/video"
}]
},
"extensions": {
"https://w3id.org/xapi/video/extensions/session-id": sessionID,
"https://w3id.org/xapi/video/extensions/full-screen": fullScreenOrNot,